<template>
  <div>
    <el-button type="text" @click="handleCollapse">点击</el-button>
    <el-menu default-active="1-4-1" class="el-menu-vertical-demo" :unique-opened="true" @open="handleOpen"
             @close="handleClose" :collapse="isCollapse" :router="true" :collapse-transition="false">
      <el-submenu index="1">
        <template slot="title">
          <i class="el-icon-location"></i>
          <span slot="title">导航一</span>
        </template>
        <el-menu-item-group>
          <span slot="title">分组一</span>
          <el-menu-item index="1-1">选项1</el-menu-item>
          <el-menu-item index="1-2">选项2</el-menu-item>
        </el-menu-item-group>
        <el-menu-item-group title="分组2">
          <el-menu-item index="1-3">选项3</el-menu-item>
        </el-menu-item-group>
        <el-submenu index="1-4">
          <span slot="title">选项4</span>
          <el-menu-item index="1-4-1">选项1</el-menu-item>
        </el-submenu>
      </el-submenu>
      <el-menu-item index="/home">
        <i class="el-icon-menu"></i>
        <span slot="title">首页</span>
      </el-menu-item>
      <el-menu-item index="4">
        <i class="el-icon-setting"></i>
        <span slot="title">导航四</span>
      </el-menu-item>
      <el-submenu index="3">
        <template slot="title">
          <i class="el-icon-location"></i>
          <span slot="title">导航一</span>
        </template>
        <el-menu-item-group>
          <span slot="title">分组一</span>
          <el-menu-item index="3-1">选项1</el-menu-item>
          <el-menu-item index="3-2">选项2</el-menu-item>
        </el-menu-item-group>
        <el-menu-item-group title="分组2">
          <el-menu-item index="3-3">选项3</el-menu-item>
        </el-menu-item-group>
        <el-submenu index="3-4">
          <span slot="title">选项4</span>
          <el-menu-item index="3-4-1">选项1</el-menu-item>
        </el-submenu>
      </el-submenu>
    </el-menu>
  </div>
</template>
<script>
import {mapState, mapGetters} from 'vuex'
import menuConfig from '@/resource/menuConfig'
export default {
  name: 'NavMenu',
  data: function () {
    return {
    }
  },
  computed: {
    ...mapState(['navMenuSpan', 'isCollapse']),
    ...mapGetters(['navMenuSpan'])
  },
  methods: {
    renderMenu (data) {

    },
    handleOpen (key, keyPath) {
      console.log(key, keyPath)
    },
    handleClose (key, keyPath) {
      console.log(key, keyPath)
    },
    handleCollapse () {
      if (this.isCollapse) {
        this.$store.dispatch('setCollapse', false)
      } else {
        this.$store.dispatch('setCollapse', true)
      }
    }
    // ...mapActions(['setNavMenuSpan'])
  },
  mounted: function () {
    this.renderMenu(menuConfig)
  }
}
</script>

<style>
  .el-menu-vertical-demo:not(.el-menu--collapse) {
    min-width: 200px;
    min-height: 400px;
  }
</style>
